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Re: Poor Oracle performance? getting rid of bind variables
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Re: Poor Oracle performance? getting rid of bind variables


  • Subject: Re: Poor Oracle performance? getting rid of bind variables
  • From: Wiktor Moskwa <email@hidden>
  • Date: Tue, 21 Aug 2007 22:07:55 +0200
  • Organization: PowerMedia

Ken Anderson wrote:
> According to the DBA, we're using the Rule Based Optimizer, not the Cost
> Based Optimizer, so therefore, no statistics.

Well, RBO is deprecated in 10g and CBO is far superior to it.
It's completely off-topic but I can't understand why one could prefer
RBO to CBO, which is around since release 7.

You didn't say which version do you use, I suspect it can be quite old.

> They claim there are indexes in on the table, but running a query
> against user_indexes returns 0 rows.

Be sure that you query while logged as user that owns this table and
table name is spelled correctly.

> Unfortunately, their contention is that I must be crazy, and are not
> paying much attention to me.  There aren't any other WO developers here,
> so they are not very helpful when I tell them that I can do queries
> without bind variables.

Ok we've defined the problem - it's communication, not technology...

--
Wiktor Moskwa
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  • Follow-Ups:
    • Re: Poor Oracle performance? getting rid of bind variables
      • From: Pascal Robert <email@hidden>
References: 
 >Re: Poor Oracle performance? getting rid of bind variables (From: Ken Anderson <email@hidden>)
 >Re: Poor Oracle performance? getting rid of bind variables (From: Wiktor Moskwa <email@hidden>)
 >Re: Poor Oracle performance? getting rid of bind variables (From: Ken Anderson <email@hidden>)
 >Re: Poor Oracle performance? getting rid of bind variables (From: Wiktor Moskwa <email@hidden>)
 >Re: Poor Oracle performance? getting rid of bind variables (From: Guido Neitzer <email@hidden>)
 >Re: Poor Oracle performance? getting rid of bind variables (From: Wiktor Moskwa <email@hidden>)
 >Re: Poor Oracle performance? getting rid of bind variables (From: Ken Anderson <email@hidden>)

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